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What type of wood for an iphone speaker tube

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Forum topic by metroplexchl posted 08-30-2017 11:42 PM 1143 views 0 times favorited 6 replies Add to Favorites Watch
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metroplexchl

55 posts in 82 days


08-30-2017 11:42 PM

I want to build something like this bamboo tube but out of something other than bamboo. Should I go with something more soft or hard? Should I keep the walls of the tube thick or is thinner better?

-- What ever you do, be good at it. -Abe Lincoln


6 replies so far

View Loren's profile

Loren

9411 posts in 3426 days


#1 posted 08-30-2017 11:57 PM

Wind instruments have been successfully built
from very hard woods like ebony (clarinets)
and very soft woods like cedar (native American
flutes). Acoustically different woods do color
the tone, but considering you’re probably just
going to make one, I would recommend something
that is easy to work with the tools you have.

Speaker cabinets are often made from somewhat
acoustically dead materials like MDF.

View patcollins's profile

patcollins

1604 posts in 2643 days


#2 posted 08-31-2017 12:39 AM

I would try to stay 1/4” or under on the thickness and I would say something fairly hard.

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metroplexchl

55 posts in 82 days


#3 posted 08-31-2017 01:47 AM

Good Points all. I’ve been youtubing it a bit. People make these little speakers out of everything. It’s crazy. I guess if one was an audiophile they wouldn’t be using it anyway… :-)

I see some that are basically super thick almost green looking logs. They keep the bark on there but make a cone on one or both ends and a slot on top for the phone. I have no ear for that stuff at all, so all I’d notice was a volume increase. I think that the thicker, softer woods would absorb rather than reflect the sound though. But again, I’m the village idiot in such matters!

i wonder if anyone here has made one that was good?

-- What ever you do, be good at it. -Abe Lincoln

View Rick_M's profile

Rick_M

10243 posts in 2158 days


#4 posted 08-31-2017 02:22 AM

Check my projects and videos. I’ve made several. The bamboo style look cool but perform poorly, although I don’t have a video on that style, I’ve made them from PVC. You want something horn shaped, the better the horn, the better the performance. Shape trumps material but the harder the material the better the performance. The longer/bigger the horn, the better the performance. I’m not an expert but am happy to answer any questions I can.

-- http://thewoodknack.blogspot.com/

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EyeUrnMayDen

2 posts in 115 days


#5 posted 08-31-2017 07:16 PM

Some thoughts on this.

Basically what you are making is a tuned port for the iphone speaker. This does not “increase volume” so to speak, but rather tunes the box to increase emphasis on a particular frequency band.

Diameter and depth of the port will determine what frequencies are emphasized

https://www.techwalla.com/articles/how-to-tune-a-ported-subwoofer-box

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metroplexchl

55 posts in 82 days


#6 posted 09-01-2017 01:32 AM

Awesome. Thanks. Honestly, that article is way above my head, but I will experiment with different depths and diameters of cones.

-- What ever you do, be good at it. -Abe Lincoln

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